diff --git a/Documentation/i2o/ioctl b/Documentation/i2o/ioctl
index 3e17497..1e77fac 100644
--- a/Documentation/i2o/ioctl
+++ b/Documentation/i2o/ioctl
@@ -185,7 +185,7 @@
       ENOMEM      Kernel memory allocation error
 
    A return value of 0 does not mean that the value was actually
-   properly retreived.  The user should check the result list
+   properly retrieved.  The user should check the result list
    to determine the specific status of the transaction.
 
 VIII. Downloading Software
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 977ee3a..34ab0da 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -972,7 +972,7 @@
 #endif
 
 #ifdef CONFIG_PPC_RTAS
-	/* To help early debugging via the front panel, we retreive a minimal
+	/* To help early debugging via the front panel, we retrieve a minimal
 	 * set of RTAS infos now if available
 	 */
 	{
diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c
index 4283fa3..ae2e2a3 100644
--- a/arch/powerpc/kernel/rtas.c
+++ b/arch/powerpc/kernel/rtas.c
@@ -632,7 +632,7 @@
 }
 
 /*
- * Call early during boot, before mem init or bootmem, to retreive the RTAS
+ * Call early during boot, before mem init or bootmem, to retrieve the RTAS
  * informations from the device-tree and allocate the RMO buffer for userland
  * accesses.
  */
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index 98e9f05..81567e9 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -438,7 +438,7 @@
 
 	/*
 	 * Fill the ppc64_caches & systemcfg structures with informations
-	 * retreived from the device-tree. Need to be called before
+	 * retrieved from the device-tree. Need to be called before
 	 * finish_device_tree() since the later requires some of the
 	 * informations filled up here to properly parse the interrupt
 	 * tree.
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index 5bb433c..149351a 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -368,7 +368,7 @@
 	unsigned long mem_size, rnd_mem_size, pteg_count;
 
 	/* If hash size isn't already provided by the platform, we try to
-	 * retreive it from the device-tree. If it's not there neither, we
+	 * retrieve it from the device-tree. If it's not there neither, we
 	 * calculate it now based on the total RAM size
 	 */
 	if (ppc64_pft_size == 0)
diff --git a/arch/powerpc/platforms/powermac/cpufreq_64.c b/arch/powerpc/platforms/powermac/cpufreq_64.c
index a4b50c4..a415e8d 100644
--- a/arch/powerpc/platforms/powermac/cpufreq_64.c
+++ b/arch/powerpc/platforms/powermac/cpufreq_64.c
@@ -80,7 +80,7 @@
 };
 
 /* Power mode data is an array of the 32 bits PCR values to use for
- * the various frequencies, retreived from the device-tree
+ * the various frequencies, retrieved from the device-tree
  */
 static u32 *g5_pmode_data;
 static int g5_pmode_max;
diff --git a/drivers/macintosh/therm_pm72.c b/drivers/macintosh/therm_pm72.c
index 8d0958c..4f50ee5 100644
--- a/drivers/macintosh/therm_pm72.c
+++ b/drivers/macintosh/therm_pm72.c
@@ -630,12 +630,12 @@
 	sprintf(nodename, "/u3@0,f8000000/i2c@f8001000/cpuid@a%d", cpu ? 2 : 0);
 	np = of_find_node_by_path(nodename);
 	if (np == NULL) {
-		printk(KERN_ERR "therm_pm72: Failed to retreive cpuid node from device-tree\n");
+		printk(KERN_ERR "therm_pm72: Failed to retrieve cpuid node from device-tree\n");
 		return -ENODEV;
 	}
 	data = (u8 *)get_property(np, "cpuid", &len);
 	if (data == NULL) {
-		printk(KERN_ERR "therm_pm72: Failed to retreive cpuid property from device-tree\n");
+		printk(KERN_ERR "therm_pm72: Failed to retrieve cpuid property from device-tree\n");
 		of_node_put(np);
 		return -ENODEV;
 	}
diff --git a/drivers/macintosh/windfarm_pm81.c b/drivers/macintosh/windfarm_pm81.c
index 80ddf97..eb69a60 100644
--- a/drivers/macintosh/windfarm_pm81.c
+++ b/drivers/macintosh/windfarm_pm81.c
@@ -26,7 +26,7 @@
  *    (typically the drive fan)
  *  - the main control (first control) gets the target value scaled with
  *    the first pair of factors, and is then modified as below
- *  - the value of the target of the CPU Fan control loop is retreived,
+ *  - the value of the target of the CPU Fan control loop is retrieved,
  *    scaled with the second pair of factors, and the max of that and
  *    the scaled target is applied to the main control.
  *
diff --git a/drivers/message/i2o/README.ioctl b/drivers/message/i2o/README.ioctl
index 73dd084..65c0c47 100644
--- a/drivers/message/i2o/README.ioctl
+++ b/drivers/message/i2o/README.ioctl
@@ -185,7 +185,7 @@
       ENOMEM      Kernel memory allocation error
 
    A return value of 0 does not mean that the value was actually
-   properly retreived.  The user should check the result list 
+   properly retrieved.  The user should check the result list 
    to determine the specific status of the transaction.
 
 VIII. Downloading Software
diff --git a/drivers/net/hp100.c b/drivers/net/hp100.c
index e92c17f..55c7ed6 100644
--- a/drivers/net/hp100.c
+++ b/drivers/net/hp100.c
@@ -276,7 +276,7 @@
  * Convert an address in a kernel buffer to a bus/phys/dma address.
  * This work *only* for memory fragments part of lp->page_vaddr,
  * because it was properly DMA allocated via pci_alloc_consistent(),
- * so we just need to "retreive" the original mapping to bus/phys/dma
+ * so we just need to "retrieve" the original mapping to bus/phys/dma
  * address - Jean II */
 static inline dma_addr_t virt_to_whatever(struct net_device *dev, u32 * ptr)
 {
diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c
index af18355..4e9637e 100644
--- a/drivers/usb/serial/cypress_m8.c
+++ b/drivers/usb/serial/cypress_m8.c
@@ -357,7 +357,7 @@
 			} while (retval != 5 && retval != ENODEV);
 
 			if (retval != 5) {
-				err("%s - failed to retreive serial line settings - %d", __FUNCTION__, retval);
+				err("%s - failed to retrieve serial line settings - %d", __FUNCTION__, retval);
 				return retval;
 			} else {
 				spin_lock_irqsave(&priv->lock, flags);
diff --git a/drivers/video/aty/radeon_monitor.c b/drivers/video/aty/radeon_monitor.c
index ea7c863..7f9838d 100644
--- a/drivers/video/aty/radeon_monitor.c
+++ b/drivers/video/aty/radeon_monitor.c
@@ -423,7 +423,7 @@
 /*
  * Probe display on both primary and secondary card's connector (if any)
  * by various available techniques (i2c, OF device tree, BIOS, ...) and
- * try to retreive EDID. The algorithm here comes from XFree's radeon
+ * try to retrieve EDID. The algorithm here comes from XFree's radeon
  * driver
  */
 void __devinit radeon_probe_screens(struct radeonfb_info *rinfo,
diff --git a/drivers/video/logo/Makefile b/drivers/video/logo/Makefile
index d0244c04..4ef5cd1 100644
--- a/drivers/video/logo/Makefile
+++ b/drivers/video/logo/Makefile
@@ -16,7 +16,7 @@
 
 # How to generate logo's
 
-# Use logo-cfiles to retreive list of .c files to be built
+# Use logo-cfiles to retrieve list of .c files to be built
 logo-cfiles = $(notdir $(patsubst %.$(2), %.c, \
               $(wildcard $(srctree)/$(src)/*$(1).$(2))))
 
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index d933ef1..a17b288 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -663,7 +663,7 @@
 }
 
 /**
- * v9fs_vfs_getattr - retreive file metadata
+ * v9fs_vfs_getattr - retrieve file metadata
  * @mnt - mount information
  * @dentry - file to get attributes on
  * @stat - metadata structure to populate
diff --git a/include/asm-powerpc/smu.h b/include/asm-powerpc/smu.h
index 134c2b5..82ce476 100644
--- a/include/asm-powerpc/smu.h
+++ b/include/asm-powerpc/smu.h
@@ -22,7 +22,7 @@
 /*
  * Partition info commands
  *
- * These commands are used to retreive the sdb-partition-XX datas from
+ * These commands are used to retrieve the sdb-partition-XX datas from
  * the SMU. The lenght is always 2. First byte is the subcommand code
  * and second byte is the partition ID.
  *
@@ -225,7 +225,7 @@
  *
  * SMU_CMD_MISC_ee_GET_DATABLOCK_REC is used, among others, to
  * transfer blocks of data from the SMU. So far, I've decrypted it's
- * usage to retreive partition data. In order to do that, you have to
+ * usage to retrieve partition data. In order to do that, you have to
  * break your transfer in "chunks" since that command cannot transfer
  * more than a chunk at a time. The chunk size used by OF is 0xe bytes,
  * but it seems that the darwin driver will let you do 0x1e bytes if
@@ -556,7 +556,7 @@
 	__u32		cmdtype;
 #define SMU_CMDTYPE_SMU			0	/* SMU command */
 #define SMU_CMDTYPE_WANTS_EVENTS	1	/* switch fd to events mode */
-#define SMU_CMDTYPE_GET_PARTITION	2	/* retreive an sdb partition */
+#define SMU_CMDTYPE_GET_PARTITION	2	/* retrieve an sdb partition */
 
 	__u8		cmd;			/* SMU command byte */
 	__u8		pad[3];			/* padding */
diff --git a/scripts/Makefile.modpost b/scripts/Makefile.modpost
index 0c4f3a9..bf96a61 100644
--- a/scripts/Makefile.modpost
+++ b/scripts/Makefile.modpost
@@ -30,7 +30,7 @@
 #     - See include/linux/module.h for more details
 
 # Step 4 is solely used to allow module versioning in external modules,
-# where the CRC of each module is retreived from the Module.symers file.
+# where the CRC of each module is retrieved from the Module.symers file.
 
 .PHONY: _modpost
 _modpost: __modpost
diff --git a/scripts/mksysmap b/scripts/mksysmap
index a6430e0..4390fab 100644
--- a/scripts/mksysmap
+++ b/scripts/mksysmap
@@ -1,7 +1,7 @@
 #!/bin/sh -x
 # Based on the vmlinux file create the System.map file
 # System.map is used by module-init tools and some debugging
-# tools to retreive the actual addresses of symbols in the kernel.
+# tools to retrieve the actual addresses of symbols in the kernel.
 #
 # Usage
 # mksysmap vmlinux System.map